Projects & Puzzles

Dugu chessboard is a puzzle chessboard I came across at grade 10. It is a suprisingly interesting mathametical problem. Here present two independent solutions formulated by me. Examine closely the two solutions yield another hybrid solution that is extremely simple. A detailed discussions on these solutions are presented.

I am trying to create a web app as a backend service for my mobile app. This is an experimental project with no budget. So, my aim is to host the web app with minimal cost while using the most convenient and promising open source technology.

Dreamfactory 2.0 was just released. It is a powerful and user-friendly REST API backend implementation. At the time of this article is written, Redhat OpenShift has not yet had a pre-built cartiridge for it. The latest version it has is DreamFactory 1.9.4. So, I spend some time and created an automation script on Github.com ...

This is a sub-project I worked on for short awhile as a part of a bigger project of building a closed loop 3D printer.
Common 3D printer use stepping motor to control the linear motion. The position is assumed by counting the number of steps rotated. This approach often have alignment issue when the linear motion "skipped steps"...

MY PROJECTS

These are projects and problems I encountered in the past, some of them are still in progress. These are my pride and love! The page was initially meant to serve as a documentary archieve for my-self and my friends. But I decided to make it public, so that someone like you can by-chance come across this site, and share my love. I hope you enjoy these projects as much as I do. Feel free to leave some comments.